WO2010111960A1 - 一种无壳环夹 - Google Patents

一种无壳环夹 Download PDF

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Publication number
WO2010111960A1
WO2010111960A1 PCT/CN2010/071506 CN2010071506W WO2010111960A1 WO 2010111960 A1 WO2010111960 A1 WO 2010111960A1 CN 2010071506 W CN2010071506 W CN 2010071506W WO 2010111960 A1 WO2010111960 A1 WO 2010111960A1
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WO
WIPO (PCT)
Prior art keywords
strip
movable
fixed
bar
fixing
Prior art date
Application number
PCT/CN2010/071506
Other languages
English (en)
French (fr)
Inventor
林春海
Original Assignee
Lin Chunhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lin Chunhai filed Critical Lin Chunhai
Priority to US13/258,776 priority Critical patent/US8545123B2/en
Publication of WO2010111960A1 publication Critical patent/WO2010111960A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
    • B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
    • B42F13/22—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed
    • B42F13/26—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed and locked when so engaged, e.g. snap-action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
    • B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
    • B42F13/22—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed
    • B42F13/24—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed wherein one section is in the form of fixed rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
    • B42F13/18—Filing appliances with means for engaging perforations or slots with claws or rings on two bars relatively movable longitudinally

Definitions

  • the invention relates to the technical field of clamps for folders, in particular to a shellless ring clamp.
  • the present application is based on a Chinese patent application filed on Apr. 3, 2009, the entire disclosure of which is hereby incorporated by reference. Background technique
  • a clamp is fixed on the spine of the folder, and the clamp is used for binding the paper with the edge of the edge.
  • the structure of the clamp used on the folder is complicated and costly, and the fixture used on the folder is, for example, the patent number "99221374.6"
  • the patent is entitled “Double Ring Buckle Document Fixture” as shown in the Chinese patent.
  • the fixture includes a bottom plate, a left ring plate, a right ring plate, a left ring ring, and a right ring ring.
  • the spring is fixed to a ring in the left ring plate and the right ring plate.
  • the left ring plate and the right ring plate are connected by a hinge.
  • the fixed form of the left ring ring and the right ring ring is that one side adopts a hook and a hook groove on the other side to cooperate with each other.
  • the left ring and the right ring are respectively fixed on the left ring plate and the right ring plate.
  • the left ring plate and the right ring plate respectively follow the left ring and the right ring respectively, and the left ring plate and the right ring are respectively rotated.
  • the ring plates are each rotated about their hinge axes.
  • the clamp Since the clamp has to be rotated by the left ring plate and the right ring plate, the clamp must be provided with a substrate for fixing the clamp to the spine of the folder, and the substrate also serves as a mounting substrate for the left ring plate and the right ring plate. There are many fixture parts and high cost.
  • the left ring plate and the right ring plate of the clamp are all movable, and the clamp is difficult to open and close the clamp, and the open clamp and the clamp are troublesome, and the resistance of the open clamp and the clamp is large, and the use is inconvenient.
  • the object of the present invention is to provide a shellless ring clamp for the deficiencies of the prior art.
  • the shellless ring clamp has a simple structure, low cost, and is easy and convenient to open and close, and convenient to use.
  • the utility model relates to a shellless ring clamp, which comprises a fixing strip, and a fixing hook is fixed on the upper surface of the fixing strip fixed on the folder ridge plate; the movable strip and the movable strip are lapped on one side of the fixing strip And the inner side of the movable strip and the inner side of the fixed strip are engaged with each other, a spring is rotatable relative to the fixed strip and can be slid along the length of the fixed strip, and a spring is connected between the movable strip, and the upper surface of the movable strip is fixed with a movable hook ring.
  • the inner side of the fixing strip and the movable strip are respectively formed with barbs for restricting the movable strip from sliding only along the length direction of the fixed strip, and the barbs on the fixed strip and the movable strip are matched with each other.
  • the movable strip and the lower surface of the fixing strip are respectively provided with hooks, and the two ends of the twisted spring are respectively connected to the hooks of the movable strip and the fixed strip.
  • One end of the movable strip is snapped with a glue handle for pushing the movable strip.
  • the inner end surface of the rubber handle has an overlapping portion with the outer end surface of the fixing strip, and the inner end surface of the rubber handle and the outer end surface of the fixing strip collide with each other through corresponding overlapping portions.
  • the fixed strip and the inner side of the movable strip are respectively formed with a curved bracket for restricting the opening stroke of the movable strip, and the fixed strip and the bracket on the movable strip respectively extend below the other side; the inner side of the movable strip is further formed for A curved second pallet that limits the closing stroke of the movable strip, the second pallet abutting under the barbs on the fixed strip.
  • the two ends of the fixing strip are respectively provided with a stopping surface for limiting the opening angle when the movable strip is fully opened, and the stopping surface is an obliquely disposed inclined surface.
  • the upper surface of the fixing strip is inclined, and the upper surface of the fixing strip forms an acute angle with the lower surface The angle between the angles of the acute angles is toward the movable bar.
  • the end of the load-bearing hook and the movable shackle respectively form a barb-shaped hook nozzle, and the inner side surface of the hook nozzle for mutually hooking is inclined or formed with an oblique angle, and the load-bearing hook and the movable shackle pass through the corresponding hook-and-loop Lap the fit.
  • the two ends of the fixing strip respectively extend out of the binding edge in the outer direction, and the binding edge is provided with a binding hole for fixing the fixing strip to the folder spine.
  • the present invention includes a fixing strip for fixing to a backing plate of a folder, and a fixing hook is fixed on an upper surface of the fixing strip; a movable strip that is lapped on one side of the fixing strip, movable The inner side of the strip and the inner side of the fixing strip are engaged with each other, and a spring is rotatable relative to the fixed strip and movable along the longitudinal direction of the fixing strip, and a movable hook is fixed on the upper surface of the movable strip;
  • the invention has a simple structure, and the components such as the substrate and the outer casing are eliminated, and the shellless ring clamp is more convenient and convenient in opening and closing the clip, and is convenient to use, and the cost of the shellless ring clamp is lower.
  • Figure 1 is a schematic view showing the structure of the present invention
  • FIG. 2 is a schematic structural view of another perspective of the present invention.
  • Figure 3 is an exploded perspective view of the present invention
  • Figure 4 is a front view of the present invention.
  • Figure 5 is a plan view of the present invention.
  • Figure 6 is a bottom view of the present invention.
  • Figure 7 is a left side view of the present invention.
  • Figure 8 is a right side view of the present invention.
  • Figure 9 is a schematic view showing the structure of the movable strip of the present invention when it is pushed to the left end; detailed description
  • No-shell ring clamp see Figures 1 to 10, which comprises a fixing strip 1, a movable strip 3, a load-bearing hook 2, a movable shackle 5 and a spring 4, the fixing strip 1 is fixed on the folder ridge plate, and the fixing strip 1 is always fixed, the upper surface of the fixed strip 1 is fixed with a load-bearing hook 2, and the load-bearing hook 2 is also fixed, and the left and right sides of the fixed strip 1 are respectively bent downward and folded, and the front of the fixed strip 1 The side is bent downward to fold the edge, and the flange can strengthen the structural strength of the fixing strip 1.
  • a movable shackle 5 is fixed to the upper surface of the movable strip 3, and the movable shackle 5 is rotated following the movable strip 3. It is further pointed out that the movable strip 3 is lapped on one side of the fixed strip 1, and the inner side of the movable strip 3 and the inner side of the fixed strip 1 are engaged with each other, the movable strip 3 is movable, and the movable strip 3 and the fixed strip 1 are connected. There is a spring 4, the movable strip 3 is rotatable relative to the fixed strip 1, and the movable strip 3 is slidable along the length of the fixed strip 1.
  • the left and right sides of the movable strip 3 are respectively bent downwardly to the folded edge, and the rear side of the movable strip 3 is bent downwardly to the folded edge, and the folded edge can strengthen the structural strength of the movable strip 3, and is more convenient and convenient when opening and closing the clip. It is more convenient to use, and the shellless ring clamp eliminates the components such as the substrate and the outer casing.
  • the clever combination and connection of the fixed strip 1 and the movable strip 3 realize the function of the clamp, which greatly reduces the product cost, and has high structural strength, opening and The action is reliable when it is closed, easy and convenient, and easy to use, so that the shellless ring clamp has greater market competitiveness.
  • the end of the load-bearing hook 2 and the movable shackle 5 respectively form a barb-shaped hook nozzle, and the inner side surface 10 of the hook nozzle for engaging with each other is inclined, and the inner side surface 10 has an angle with the vertical plane.
  • the load-bearing hook 2 and the movable shackle 5 are overlapped by corresponding hooks. After the inner side surface 10 of the hook mouth is inclined, a gap is reserved between the load-bearing hook 2 and the hook-and-loop of the movable shackle 5 when the clip is closed, and the hook of the movable shackle 5 is caught in the load-bearing hook 2 It is easier to hook the mouth and it is convenient to close the clip.
  • the inner side surface 10 of the hook mouth for engaging with each other may also be a curved surface, or an arc chamfer may be formed at both ends of the inner side surface 10 as long as it can increase the matching gap when the hooks are engaged with each other. can.
  • the spring 4 is a tension spring, and the movable strip 3 and the lower surface of the fixed strip 1 are respectively provided with hooks, and the two ends of the twisted spring 4 are respectively connected to the hooks of the movable strip 3 and the fixed strip 1.
  • the two ends of the spring 4 are respectively hooked on the hooks of the movable strip 3 and the fixed strip 1, and the two ends of the spring 4 can also be respectively fixed on the hooks of the movable strip 3 and the fixed strip 1.
  • the spring 4 has two functions. First, the spring 4 provides a rotational force, and the twisted spring 4 has a tendency to reverse the rotation, so that the spring 4 applies a rotational force to the movable strip 3, which drives the movable strip 3 to rotate.
  • the opening force which can drive the movable strip 3 to rotate outward, thereby separating the movable shackle 5 from the load-bearing hook 2 to realize the opening action;
  • the spring 4 provides a longitudinal direction parallel to the fixed strip 1.
  • the spring 4 can also be a compression spring, as long as the force of the compression spring on the movable bar 3 reaches the purpose of the spring 4.
  • the inside of the fixing strip 1 and the movable strip 3 are respectively formed with barbs 6 , and the bar 1 of the fixing strip 1 and the movable strip 3 are engaged with each other.
  • the barbs 6 on the inner side of the fixing strip 1 are elongated.
  • the inner side of the barb 6 naturally forms an elongated groove body, and the barbs 6 of the fixing strip 1 are embedded in the groove body on the inner side of the corresponding barbs 6 of the movable bar 3, and conversely, the barbs of the movable bar 3 6 is embedded in the groove inside the corresponding barb 6 on the fixing strip 1.
  • the barbs 6 on the inner side of the fixed strip 1 and the movable strip 3 are used to restrict the movable strip 3 from sliding only along the length of the fixed strip 1.
  • the movable strip 3 - end is snapped with a glue handle 7 for pushing the movable strip 3 .
  • the left end of the rubber handle 7 is inserted into the notch at the right end of the movable strip 3, the left end of the rubber handle 7 is formed with a barb, and the barb is snapped into the window of the upper surface of the right end of the movable strip 3, and the barb can prevent the rubber handle 7 from moving.
  • Strip 3 out Press the barb to release the barb from the window of the movable bar 3, and the glue handle 7 can be taken out.
  • a pressing portion extends upward from the right end of the rubber handle 7, and is more easily pressed by the pressing portion.
  • the movable strip 3 can be easily pushed along the length of the fixing strip 1 by the rubber handle 7, which is convenient and convenient.
  • the inner end surface of the rubber handle 7 has an overlapping portion with the outer end surface of the fixing strip 1, and the inner end surface of the rubber handle 7 and the outer end surface of the fixing strip 1 are collided with each other through corresponding overlapping portions.
  • a curved bracket 8 is formed on the inner side of the fixed strip 1 and the movable strip 3, respectively.
  • the fixing strip 1 and the bracket 8 on the movable strip 3 respectively extend below the other side.
  • the fixing strip 1 is fixed.
  • the upper pallet 8 can abut against the bottom surface of the movable strip 3, and the pallet 8 on the movable strip 3 can abut the bottom surface of the fixed strip 1.
  • the support bar 1 and the pallet 8 on the movable bar 3 are used to limit the opening stroke of the movable bar 3, and the pallet 8 is used to prevent the opening angle from being excessively large to prevent the movable bar 3 from coming out of the fixed bar 1 when the clip is opened.
  • the inside of the movable strip 3 is also formed with a curved second pallet 8a which abuts against the barbs 6 on the fixed strip 1.
  • the second pallet 8a is for restricting the closing stroke of the movable bar 3, and prevents the movable bar 3 from coming out of the fixed bar 1 when the clip is opened.
  • the two ends of the fixing strip 1 extend outwardly from the binding edge 11 , and the binding edge 11 defines a binding hole 12 .
  • the binding strip 11 can be fixed on the folder ridge by the binding edge 11 for binding the shellless ring.
  • the clip is convenient.
  • the two ends of the fixing strip 1 are respectively provided with a stopping surface 9 which is an inclined inclined surface, and the stopping surface 9 is formed at the upper end of the vertical side of the binding edge 11, and the stopping surface 9 is used for limiting
  • the opening angle of the movable bar 3 when fully opened the design of the stopping surface 9 is ingenious, the structure is simple, and the opening angle can be further prevented from being excessively large.
  • the upper surface of the fixing strip 1 is inclined, and the upper surface of the fixing strip 1 forms an acute angle with the lower surface, and the opening direction of the acute angle is directed toward the movable strip 3. After the upper surface of the fixing strip 1 is obliquely disposed, it causes the movable strip 3 to have a certain movable space. When the clip is opened, the movable strip 3 can be rotated to the outside direction without colliding with the spine of other components or the folder plate.
  • the structure of the invention is simple, and the components such as the substrate and the outer casing are eliminated.
  • the shellless ring clamp is more convenient and convenient when the clip is opened and closed, and is convenient to use, and the shellless ring clip has lower cost and can be mass-produced.

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  • Sheet Holders (AREA)
  • Clamps And Clips (AREA)

Description

一种无壳环夹 技术领域
本发明涉及文件夹的夹具技术领域， 特指一种无壳环夹。 本申请是基于 申请日 2009年 4月 3 日、 申请号为 200910038385.X的中国发明专利申请， 上述专利申请的内容作为参考引入本文。 背景技术
文件夹的脊板上固定有夹具， 夹具用于装订边缘带孔的纸张， 目前， 使 用于文件夹上的夹具结构比较复杂， 成本高， 使用于文件夹上的夹具如专利 号为 "99221374.6 "、 专利名称为 "双环扣文件夹具" 的中国专利所示， 夹具 包括底板、 左环板、 右环板、 左环圈、 右环圈， 弹簧固定在左环板、 右环板 中的一个环板上， 左环板、 右环板通过铰链连接， 左环圈、 右环圈的固定形 式是其中一侧采用卡钩和另一侧的卡钩槽相互配合固定。 左环圈、 右环圈分 别固定于左环板、 右环板上， 在开夹和关夹时， 左环板、 右环板分别跟随左 环圈、 右环圈旋转， 左环板、 右环板分别绕其铰接轴旋转。 此种夹具由于左 环板、 右环板都要旋转， 因此， 夹具必须设置基板， 基板用于将夹具固定于 文件夹的脊板上， 基板也作为左环板、 右环板的安装基板， 夹具部件多， 成 本高。
另外， 夹具的左环板、 右环板都是活动的， 夹具在开夹和关夹时比较困 难， 开夹和关夹麻烦， 且开夹和关夹阻力大， 使用不便。 发明内容
本发明的目的在于针对现有技术的不足提供一种无壳环夹， 无壳环夹结 构简单， 成本低， 且开夹和关夹轻松便捷， 使用方便。
为实现上述目的， 本发明是通过以下技术方案实现的：
一种无壳环夹， 它包括固定条， 用于固定在文件夹脊板上且固定不动的 固定条的上表面固定有承重钩； 活动条， 活动条活动搭接在固定条的一侧， 且活动条的内侧和固定条的内侧相互卡接， 能够相对固定条旋转且能够沿固 定条的长度方向滑动的活动条和固定条之间连接有弹簧， 活动条的上表面固 定有活动钩环。
所述固定条与活动条的内侧分别成型有用于限制活动条只能沿固定条的 长度方向滑动的倒钩， 固定条和活动条上的倒钩相互契合。
所述活动条与固定条的下表面分别设有卡钩， 经过扭转后的弹簧的两端 分别连接在活动条与固定条的卡钩上。
所述活动条一端卡接有用于推动活动条的胶手柄。
胶手柄的内端面与固定条的外端面具有一个重叠部， 胶手柄的内端面与 固定条的外端面通过相应的重叠部碰撞配合。
所述固定条与活动条的内侧分别成型有用于限制活动条的开夹行程的弯 曲的托台， 固定条与活动条上的托台分别延伸到对方的下方； 活动条的内侧 还成型有用于限制活动条的关夹行程的弯曲的第二托台， 第二托台抵顶在固 定条上的倒钩的下方。
所述固定条的两端分别设置有用于限制活动条完全打开时的开夹角度的 止动面， 止动面为倾斜设置的斜面。
所述固定条的上表面倾斜设置， 固定条的上表面与下表面形成一个锐角 夹角， 锐角夹角的开口方向朝向活动条。
所述承重钩与活动钩环的末端分别成型倒钩状的钩嘴， 钩嘴上用于相互 钩搭配合的内侧面倾斜设置或成型出斜角， 承重钩与活动钩环通过相应的钩 嘴搭接配合。
所述固定条的两端分别向外侧方向延伸出装订边， 装订边上开设有用于 将固定条固定在文件夹脊板上的装订孔。
本发明的有益效果： 本发明包括用于固定在文件夹脊板上且固定不动的 固定条， 固定条的上表面固定有承重钩； 活动搭接在固定条的一侧的活动条， 活动条的内侧和固定条的内侧相互卡接， 能够相对固定条旋转且能够沿固定 条的长度方向滑动的活动条和固定条之间连接有弹簧， 活动条的上表面固定 有活动钩环； 本发明结构简单， 取消了基板、 外壳等部件， 无壳环夹在开夹 和关夹时更加轻松便捷， 使用方便， 且无壳环夹成本更低。 附图说明
附图 1为本发明的结构示意图；
附图 2为本发明另一视角的结构示意图；
附图 3为本发明的分解示意图；
附图 4为本发明的主视图；
附图 5为本发明的俯视图；
附图 6为本发明的仰视图；
附图 7为本发明的左视图；
附图 8为本发明的右视图；
附图 9为本发明的活动条向左端方向推动时的结构示意图; 具体实施方式
无壳环夹， 见附图 1至 10， 它包括固定条 1、 活动条 3、 承重钩 2、 活动 钩环 5和弹簧 4， 固定条 1用于固定在文件夹脊板上， 且固定条 1是始终固定 不动的， 固定条 1的上表面固定有承重钩 2， 承重钩 2也是固定不动的， 固定 条 1 的左右两侧分别向下折弯出折边， 固定条 1 的前侧向下折弯出折边， 折 边能够加强固定条 1的结构强度。
所述活动条 3的上表面固定有活动钩环 5，活动钩环 5跟随活动条 3旋转。 进一步指出， 活动条 3活动搭接在固定条 1的一侧， 且活动条 3的内侧和固 定条 1的内侧相互卡接， 活动条 3是活动的， 活动条 3和固定条 1之间连接 有弹簧 4， 活动条 3能够相对固定条 1旋转， 且活动条 3能够沿固定条 1的长 度方向滑动。 活动条 3的左右侧分别向下折弯出折边， 活动条 3的后侧向下 折弯出折边， 折边能够加强活动条 3 的结构强度， 在开夹和关夹时更加轻松 便捷， 使用更加方便， 且无壳环夹取消了基板、 外壳等部件， 通过固定条 1 和活动条 3 的巧妙组合和连接实现夹具的功能， 大幅度降低产品成本， 且结 构强度高， 开夹和关夹时动作可靠， 轻松便捷， 使用方便， 使无壳环夹具有 更大的市场竞争力。
所述承重钩 2与活动钩环 5的末端分别成型倒钩状的钩嘴， 钩嘴上用于 相互钩搭配合的内侧面 10倾斜设置， 内侧面 10与垂直平面之间有一个夹角， 承重钩 2与活动钩环 5通过相应的钩嘴搭接配合。 钩嘴上的内侧面 10倾斜设 置后， 在关夹时， 承重钩 2与活动钩环 5的钩嘴之间则预留有一条缝隙， 活 动钩环 5的钩嘴在卡入承重钩 2的钩嘴时则更加容易， 方便关夹。 它解决了 目前钩嘴相互卡接时配合间隙小、 钩嘴相互卡接困难的问题。 当然， 钩嘴上 用于相互钩搭配合的内侧面 10也可以是曲面， 或者在内侧面 10首末两端成 型出弧形倒角， 只要它能增大钩嘴相互卡接时配合间隙即可。
所述弹簧 4为拉簧， 活动条 3与固定条 1的下表面分别设有卡钩， 经过 扭转后的弹簧 4的两端分别连接在活动条 3与固定条 1的卡钩上。 其中， 弹 簧 4的两端分别挂接在活动条 3与固定条 1的卡钩上， 弹簧 4的两端亦可以 分别固接在活动条 3与固定条 1的卡钩上。 弹簧 4具有两个作用， 第一， 弹 簧 4提供一个旋转力， 经过扭转后的弹簧 4有扭转复位的趋势， 因此弹簧 4 对活动条 3施加一个旋转力， 该旋转力是驱使活动条 3旋转的开夹力， 该旋 转力能够驱使活动条 3向外侧方向旋转， 进而使活动钩环 5与承重钩 2分开， 实现开夹动作； 第二， 弹簧 4提供一个平行于固定条 1的长度方向的作用力， 该作用力驱使活动条 3的钩嘴卡入固定条 1的钩嘴中，使活动条 3和固定条 1 能够相互搭接而构成一个封闭的环体。 当然， 所述弹簧 4亦可以为压簧， 只 要压簧对活动条 3的作用力达到上述弹簧 4的目的即可。
所述固定条 1与活动条 3的内侧分别成型有倒钩 6， 固定条 1和活动条 3 上的倒钩 6相互契合， 具体地说， 固定条 1的内侧上倒钩 6为长条状， 倒钩 6 的内侧则自然形成一个长条状的槽体， 固定条 1的倒钩 6嵌入在活动条 3上 相应的倒钩 6内侧的槽体中， 相反地， 活动条 3的倒钩 6则嵌入在固定条 1 上相应的倒钩 6内侧的槽体中。 固定条 1与活动条 3的内侧的倒钩 6用于限 制活动条 3只能沿固定条 1的长度方向滑动。
所述活动条 3—端卡接有用于推动活动条 3的胶手柄 7。胶手柄 7的左端 插入在活动条 3右端的缺口中， 胶手柄 7的左端成型有倒钩， 倒钩卡接在活 动条 3右端的上表面的窗口中， 倒钩可以防止胶手柄 7从活动条 3中脱出， 将倒钩按下， 使倒钩从活动条 3的窗口中退出， 即可取出胶手柄 7。 胶手柄 7 的右端向上延伸出一个按压部， 通过按压部按压时更加轻松。 通过胶手柄 7 可以方便地推动活动条 3沿固定条 1的长度方向滑动， 轻松方便。
所述胶手柄 7的内端面与固定条 1 的外端面具有一个重叠部， 胶手柄 7 的内端面与固定条 1 的外端面通过相应的重叠部碰撞配合。 在通过胶手柄 7 向左端方向推动活动条 3时， 在活动条 3被推至极限位置之前， 胶手柄 7的 内端面会先碰撞到固定条 1 的外端面， 从而限制活动条 3的行程， 避免活动 条 3的推送位移过大。
所述固定条 1与活动条 3的内侧分别成型有弯曲的托台 8，固定条 1与活 动条 3上的托台 8分别延伸到对方的下方， 在开夹角度较大时， 固定条 1上 的托台 8能够抵顶活动条 3的底面，而活动条 3上的托台 8能够抵顶固定条 1 的底面。 固定条 1与活动条 3上的托台 8用于限制活动条 3的开夹行程， 托 台 8用于防止开夹角度过大， 防止开夹时活动条 3从固定条 1上脱出。
所述活动条 3的内侧还成型有弯曲的第二托台 8a，第二托台 8a抵顶在固 定条 1上的倒钩 6的下方。 第二托台 8a用于限制活动条 3的关夹行程的， 防 止开夹时活动条 3从固定条 1上脱出。
所述固定条 1的两端分别向外侧方向延伸出装订边 11，装订边 11上开设 有装订孔 12， 通过装订边 11能够将固定条 1固定在文件夹脊板上， 为装订无 壳环夹提供方便。
所述固定条 1的两端分别设置有止动面 9， 止动面 9为倾斜设置的斜面， 该止动面 9是成型在装订边 11的垂直边的上端， 止动面 9用于限制活动条 3 完全打开时的开夹角度， 止动面 9设计巧妙， 结构简单， 且能进一步防止开 夹角度过大。 所述固定条 1 的上表面倾斜设置， 固定条 1 的上表面与下表面形成一个 锐角夹角，锐角夹角的开口方向朝向活动条 3。固定条 1的上表面倾斜设置后， 它使活动条 3具有一定的活动空间， 在开夹时， 活动条 3可以向外侧方向旋 转， 且不会与其它部件或文件夹板的脊板碰撞。
以上所述仅是本发明的较佳实施例， 故凡依本发明专利申请范围所述的 构造、 特征及原理所做的等效变化或修饰， 均包括于本发明专利申请范围内。 工业实用性
本发明结构简单， 取消了基板、 外壳等部件， 无壳环夹在开夹和关夹时 更加轻松便捷， 使用方便， 且无壳环夹成本更低， 可大批量生产。

Claims

权 利 要 求 书
1、 一种无壳环夹， 其特征在于： 它包括固定条 （1)， 用于固定在文件夹 脊板上且固定不动的固定条 （1) 的上表面固定有承重钩 （2); 活动条 （3)， 活动条 （3) 活动搭接在固定条 （1) 的一侧， 且活动条 （3) 的内侧和固定条
(1) 的内侧相互卡接， 能够相对固定条 （1) 旋转且能够沿固定条 （1) 的长 度方向滑动的活动条 （3) 和固定条 （1) 之间连接有弹簧 （4)， 活动条 （3) 的上表面固定有活动钩环 （5)。
2、 根据权利要求 1所述的一种无壳环夹， 其特征在于： 所述固定条 （1) 与活动条 （3) 的内侧分别成型有用于限制活动条 （3) 只能沿固定条 （1) 的 长度方向滑动的倒钩 （6)， 固定条 （1) 和活动条 （3) 上的倒钩 （6) 相互契 合。
3、 根据权利要求 1或 2所述的一种无壳环夹， 其特征在于： 所述活动条 (3) 与固定条 （1) 的下表面分别设有卡钩， 经过扭转后的弹簧 （4) 的两端 分别连接在活动条 （3) 与固定条 （1) 的卡钩上。
4、 根据权利要求 3所述的一种无壳环夹， 其特征在于： 所述活动条 （3) 一端卡接有用于推动活动条 （3) 的胶手柄 （7)。
5、 根据权利要求 4所述的一种无壳环夹， 其特征在于： 胶手柄 （7) 的 内端面与固定条 （1) 的外端面具有一个重叠部， 胶手柄 （7) 的内端面与固 定条 （1) 的外端面通过相应的重叠部碰撞配合。
6、 根据权利要求 5所述的一种无壳环夹， 其特征在于： 所述固定条 （1) 与活动条 （3) 的内侧分别成型有用于限制活动条 （3) 的开夹行程的弯曲的 托台 （8)， 固定条（1)与活动条（3)上的托台 （8)分别延伸到对方的下方; 活动条 （3) 的内侧还成型有用于限制活动条 （3) 的关夹行程的弯曲的第二 托台 （8a)， 第二托台 （8a) 抵顶在固定条 （1) 上的倒钩 （6) 的下方。
7、 根据权利要求 6所述的一种无壳环夹， 其特征在于： 所述固定条 （1) 的两端分别设置有用于限制活动条（3)完全打开时的开夹角度的止动面（9)， 止动面 （9) 为倾斜设置的斜面。
8、 根据权利要求 7所述的一种无壳环夹， 其特征在于： 所述固定条 （1) 的上表面倾斜设置， 固定条 （1) 的上表面与下表面形成一个锐角夹角， 锐角 夹角的开口方向朝向活动条 （3)。
9、 根据权利要求 8所述的一种无壳环夹， 其特征在于： 所述承重钩 （2) 与活动钩环 （5) 的末端分别成型倒钩状的钩嘴， 钩嘴上用于相互钩搭配合的 内侧面 （10) 倾斜设置或成型出斜角， 承重钩 （2) 与活动钩环 （5) 通过相 应的钩嘴搭接配合。
10、根据权利要求 9所述的一种无壳环夹， 其特征在于： 所述固定条（1) 的两端分别向外侧方向延伸出装订边 （11)， 装订边 （11) 上开设有用于将固 定条 （1) 固定在文件夹脊板上的装订孔 （12)。
PCT/CN2010/071506 2009-04-03 2010-04-01 一种无壳环夹 WO2010111960A1 (zh)

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